diff --git a/pyexecplugins/pyexecplugins.py b/pyexecplugins/pyexecplugins.py
index 9408126..bd4be7f 100644
--- a/pyexecplugins/pyexecplugins.py
+++ b/pyexecplugins/pyexecplugins.py
@@ -28,7 +28,7 @@ class PyExecPlugins(type):
         return cls.alias.get(name)
     
     def registerTaskDefinitions(cls, server, auth):
-        url = server + "/metadata/taskdefs"
+        url = server.rstrip("/") + "/metadata/taskdefs"
         #pyexec generic taskdefinition
         taskdefs = []
         for plg in cls.getPluginNames():